
<div class="row">
    <div class="col">
        <label><input type="radio" name="pay_type" value="1" ng-model="pay_type.pay_type" ng-checked="true">微信支付</label>
    </div>
    <div class="col">
        <label><input type="radio" name="pay_type" value="2" ng-model="pay_type.pay_type">余额支付</label>
    </div>
    <div class="col">
        <label><input type="radio" name="pay_type" value="3" ng-model="pay_type.pay_type">VIP支付</label>
    </div>
</div>